Theoretical accounts of category-specific impairments

At a minimum: Different distribution of concepts over different brain regions 

Caramazza & Mahon (2003). Neural specificity of representations of different categories (animals, fruit/ vegetables, and artefacts) Evolutionary arguement

Tyler & Moss (2001): shared versus distinctive features. Living things- more shared than distinctive; artefacts -  more distinctive than shared. Living things more vulnerable. Computational arguement.